No. of Pages: 32 | Characters: Captain America (Steve Rogers) | Iron Man (Anthony ‘Tony’ Stark) | Sub-Mariner (Namor McKenzie) | Creators: Jason Aaron | David Marquez | Key Reason: Death of Stingray, 1st team app. Defenders of The Deep | Plot: WORLD WAR BELOW! With the underwater world on the brink of war, the Avengers go aquatic to save the day, but air-breathers are no longer welcome in the undersea city of Atlantis. And Namor, the Sub-Mariner, lord of the seven seas, has a bold new plan that will change the balance of power on Earth forever. Rated T+